kotlin_serialization_main.kt

import kotlinx.serialization.*  
import kotlinx.serialization.json.*  
  
@Serializable  
class Endereco(  
    val planeta: String,  
	val galaxia: String,  
)  
  
@Serializable  
class Aluno(  
    val nome: String,  
	val media: Float,  
	val endereco: Endereco,
)  
  
fun main() {  
    val endereco = Endereco("Tatooine", "Outer Rim")  
    val aluno = Aluno("Luke Skywalker", 9.8f, endereco)  
    println(Json.encodeToString(aluno))
}